lindab | we simplify construction Extract air terminal device SLKNU Technical data for silencer with 50 and 100 mm insulation Dimensions and sound data for silencer with 50 mm insulation. Dimensions and sound data for silencer with 100 mm insulation. l nom l nom Ød y Ød 1 Ød y Ød 1 Ød 1 nom l nom [mm] l [mm] Insertion loss [dB] for centre frequency [Hz] 63 125 250 500 1k 2k 4k 8k 100 300 412 24 18 16 19 23 26 20 11 100 600 712 26 19 21 29 38 50 34 17 100 900 1012 27 20 25 39 52 51 48 23 100 1200 1312 28 21 29 50 52 51 50 29 125 300 415 22 16 15 17 17 20 15 10 125 600 715 23 17 15 27 31 40 22 14 125 900 1015 24 18 21 37 46 50 30 17 125 1200 1315 25 19 24 47 51 50 38 21 160 300 420 19 14 11 13 13 15 8 8 160 600 720 20 15 14 22 28 29 14 11 160 900 1020 20 16 17 31 43 43 20 15 160 1200 1320 20 17 20 40 51 50 26 19 200 300 410 17 12 10 10 11 11 5 5 200 600 710 18 13 12 18 22 23 9 8 200 900 1010 18 14 13 26 33 34 13 10 200 1200 1310 19 15 15 33 44 45 18 13 250 600 693 17 11 11 14 17 16 8 6 250 900 993 17 13 12 21 26 23 10 8 250 1200 1293 18 14 13 27 35 30 12 10 315 600 701 12 9 9 12 14 9 4 5 315 900 1001 13 10 10 17 22 12 6 7 315 1200 1301 13 10 11 23 30 16 7 9 400 * 600 655 10 8 6 7 8 4 4 4 400 * 900 955 11 8 7 11 13 7 5 6 400 * 1200 1255 11 9 9 15 19 10 7 8 * Supplied with one loose coupling Ød y [mm] 210 210 210 210 235 235 235 235 270 270 270 270 325 325 325 325 365 365 365 427 427 427 508 508 508 m [kg] 2,32 4,27 5,51 6,94 2,69 4,59 6,56 8,00 2,99 5,57 7,87 9,82 4,03 6,82 9,66 11,9 8,43 11,6 14,9 10,9 15,3 20,2 18,9 24,3 26,7 Technical data Capacity Air flow q v [l/s] and [m³/h], total pressure Δ p t [Pa] and sound power level L WA [dB(A)] is read in the graph. ∆ p t [Pa] 100 50 10 5 1 20 50 100 100 125 160 200 250 315 100 500 400 50 45 40 35 30 25 20 L WA [dB(A)] 500 1000 1000 1500 l/s 5000 m³/h q v Ød 1 nom l nom [mm] l [mm] Insertion loss [dB] for centre frequency [Hz] 63 125 250 500 1k 2k 4k 8k 100 300 432 27 20 21 19 20 25 20 11 100 600 732 30 24 28 30 36 47 38 19 100 900 1032 33 27 35 41 52 51 50 26 100 1200 1332 36 30 42 52 52 51 50 33 125 300 427 25 18 18 15 17 19 15 10 125 600 727 27 21 25 24 29 37 24 14 125 900 1027 29 24 31 33 42 50 33 18 125 1200 1327 32 27 38 42 51 50 42 22 160 300 439 22 15 13 11 12 14 9 8 160 600 739 23 18 20 19 24 28 15 12 160 900 1039 24 21 27 27 35 42 21 16 160 1200 1339 26 24 34 35 47 50 28 20 200 300 434 20 14 11 8 10 11 6 6 200 600 734 21 16 16 16 20 22 10 8 200 900 1034 22 19 22 23 30 33 14 11 200 1200 1334 23 21 27 31 39 45 18 13 250 600 749 20 14 14 12 16 16 8 7 250 900 1049 21 16 19 19 25 23 10 9 250 1200 1349 21 18 24 26 34 30 13 11 315 600 735 13 11 10 10 12 10 5 6 315 900 1035 14 13 15 15 19 15 7 8 315 1200 1335 14 15 19 19 26 21 9 10 400 * 600 702 11 10 7 6 7 4 4 4 400 * 900 1002 13 12 10 10 13 7 5 6 400 * 1200 1302 14 13 14 14 19 10 6 7 * Supplied with one loose coupling Ød y [mm] 325 325 325 325 325 325 325 325 325 325 325 325 410 410 410 410 465 465 465 510 510 510 625 625 625 m [kg] 4,31 7,04 11,0 13,2 4,94 7,31 11,6 14,4 5,40 9,19 12,7 17,1 7,37 10,3 14,9 19,0 10,3 17,6 22,5 14,3 19,4 25,4 20,2 29,6 37,7 Correction for flow noise ( L WO ) Correction K oct Ød 1 [mm] 100 125 160 200 250 315 400 Correction, K oct (dB) for centre frequency [Hz] 63 125 250 500 1k 2k 4k 8k 5 -11 -17 -15 -9 -2 -15 -22 9 -9 -14 -12 -8 -3 -13 -21 3 -14 -18 -14 -9 -2 -13 -20 12 -9 -12 -9 -5 -4 -16 -21 7 -8 -13 -10 -4 -5 -16 -22 20 -8 -14 -12 -7 -4 -17 -27 11 -3 -8 -10 -10 -2 -19 -28 Sound power levels per octave band L Woct are calculated by adding the octave band correction K oct to the total power level L WA from the graph. L Woct = L WA + K oct 2 Lindab reserves the right to make changes without prior notice 2020-06-29
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